Add 14/30 and 9/21
14/30 + 9/21 is 94/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
14/30 = 14 × 7/30 × 7 = 98/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
9/21 = 9 × 10/21 × 10 = 90/210 - Add the two like fractions:
98/210 + 90/210 = 98 + 90/210 = 188/210 - 188/210 simplified gives 94/105
- So, 14/30 + 9/21 = 94/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30+9/21 14/30+18/21 14/60+9/21 14/30+9/42 42/30+9/21 14/30+27/21 14/90+9/21 14/30+9/63 70/30+9/21 14/30+45/21 98/30+9/21 14/30+63/21